/*******************************************************************************
 * Copyright 2017 Bstek
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License.  You may obtain a copy
 * of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations under
 * the License.
 ******************************************************************************/
package com.bstek.urule.console.servlet.respackage;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Jacky.gao
 * @since 2017年8月20日
 */
public class SessionObject {
    private static final long MILLISECOND = 1200000;//default expired time is 20 minutes.
    private long start;
    private Map<String, Object> map = new HashMap<String, Object>();

    public SessionObject() {
        this.start = System.currentTimeMillis();
    }

    public void put(String key, Object obj) {
        this.start = System.currentTimeMillis();
        if (map.containsKey(key)) {
            map.remove(key);
        }
        map.put(key, obj);
    }

    public Object get(String key) {
        this.start = System.currentTimeMillis();
        return map.get(key);
    }

    public void remove(String key) {
        this.start = System.currentTimeMillis();
        map.remove(key);
    }

    public boolean isExpired() {
        long end = System.currentTimeMillis();
        long value = end - start;
        if (value >= MILLISECOND) {
            return true;
        }
        return false;
    }
}
